header {
  width: 100%;
  height: 80px;
  background: #fff;
}

header > .w {
  overflow: hidden;
}

header > .w > .logo {
  width: 169px;
  height: 41px;
  vertical-align: top;
  float: left;
  margin-top: 18px;
}

header > .w > ul {
  overflow: hidden;
  float: right;
}

header > .w > ul > li {
  float: left;
  font-size: 18px;
  color: #333;
  line-height: 80px;
  position: relative;
  margin: 0 12px;
}

header > .w > ul > li > span {
  display: inline-block;
  width: 20px;
  height: 2px;
  background: #E70000;
  position: absolute;
  bottom: 25px;
  left: 50%;
  margin-left: -10px;
}
